Curated OER
Finding Areas of Polygons- Extra Practice Worksheet
In this geometry worksheet, young scholars practice finding the area of 11 polygons using diagrams which include units in both standard and metric measurement. They solve for the area of 11 polygons using words that describe the polygons...
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Cubes Everywhere
Students use cubes to construct and visualize two-and three-dimensional shapes to develop spatial thinking and review basic geometric principles through real-life applications. They are given the opportunity to build and build and take...
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Math: Congruent and Similar Figures
Eighth graders use geo-boards to create similar and congruent figures and find their corresponding sides. Using the geo-board paper, they draw the shapes they create on the geo-boards. With partners,students create similar and congruent...
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A Thin Inch
Fifth graders explore the importance of everyone using the same standard measurements and practice a variety of measurement skills. They determine the area of polygons and surface area and volume of three-dimensional shapes. Each student...
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Geometry: Lesson 2
Eighth graders engage in a lesson plan that is concerned with examining two dimensional figures with different properties that include circles, triangles, queadrilaterals, etc... They identify the types of figures that is identified as...
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Shape & Form
Young scholars analyze the difference between shape and form. They identify, explain and use the basic elements of design and determine that forms are three-dimensional and shapes are two-dimensional. They sketch it on their paper and...
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Making Nets for Solids
Third graders are introduced to a variety of two-dimensional shapes. Individually, they are given a cube, cylinder and cone and take apart each shape. While taking them apart, they discuss how the two-dimensional shape was created.
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Polygons and Angles
Sixth graders estimate the measurement of angles and then measure the exact distance using an angle ruler. In groups, they explore shapes and recognize the characteristics acute, obtuse and right angles. Students sketch required shapes,...
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Tetrominoes Cover-Up
Third graders are given square tiles and participate in a demonstration on how to arrange them. Using the tiles, they work with a partner to discover how many two-dimensional tetrominoes they can create. To end the lesson, they must...
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Math: a World of Symmetry
Students expand their knowledge of quadrilaterals and identify basic symmetrical forms. Over three weeks, they explore the math, application, and discussion of symmetry. After conducting Internet research, students create symmetrical...
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Plane Weather
Students examine the important issue of plane safety. In groups, they are introduced to how NASA determines if it is safe to fly on a particular day given certain conditions. They use the internet to research the types of tools and...
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Using Polynomials To Find Perimeter
Fifth graders engage in the solving of a real life application problem using the concept of calculating perimeter. They apply the operations of calculating with the polynomials for finding the perimeter of triangles,quadrilaterals, and...
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Perimeters, Patterns, and Conjectures
Students discover patterns and write conjectures relating to perimeters and polygons. Working in cooperative learning groups, they use manipulatives and graphic organizers to solve problems then answer a series of questions in which they...
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Algebra: Brackets
Students review and practice negative numbers, rules of signs and of brackets that include addition, subtraction, multiplication and division. Included in this lesson is polygons and expanding brackets. Mastery of mathematical language...
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How is our place connected to other places?
Second graders conduct a survey, they record their data with the help of maps. They use an aerial photo or Ordnance Survey map, 2nd graders pinpoint specific places and add them to a legend using the drawing tools. Students use...
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Straws and Shapes
Students investigate the concepts related to observing two dimensional objects. They also build three dimensional objects using the two dimensional objects. The students give an oral or written explanation for how the pieces fit together...
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Fashion Day
Eighth graders practice using basic measurements to solve word problems.They also investigate finding the perimeter of different polygons and define the characteristics to classify the shape as a polygon.
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Geometry in the Constellations: The ER-2
Learners discuss reasons to record the location of stars. They view a picture of the night sky, and discuss constellations. Students complete a worksheet of the various shapes they see in the constellations.
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Angles, Parallel Lines, and Polygons
Students examine how to investigate polygons using an instrument of their own construction. They should be able to prove the general formula for the number of degrees in any polygon (including a triangle). Finally they investigate an...
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Tessellating Art
Fourth graders create artwork showing their own unique tessellating shapes. They apply the symmetries of a regular polygon and describe the reflection or rotational symmetry of a figure or object. They share their art work with the class.
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Angles in Art Lesson
Students examine the correlation between art and math. Using their computers, students construct and measure angles. Students identify the properties of angles and polygons. They engage in the Angles program on their Palm and use the...
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Rap-Tap-Tap
Fifth graders investigate incline planes and wedges. They identify a variety of incline planes and wedges that are found all around them. Students record their findings using a worksheet.
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Characteristics of Polygons
Fourth graders discuss characteristics of polygons and organize and visualize those characteristics using Kidspiration. Students import pictures that demonstrate the characteristics and save their projects to be reviewed and graded by...
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Polygons
Second graders view a PowerPoint presentation on Identifying Polygons by their number of sides and their individual properties. They separate polygon tiles into groups by their attributes.